<s>
Baseball	B-Protocol
Boss	I-Protocol
(	O
also	O
known	O
as	O
BaseballBoss	B-Protocol
and	O
abbreviated	O
to	O
BBB	O
)	O
was	O
a	O
web	O
based	O
,	O
free	O
online	O
MMOG	B-Application
(	O
massively	B-Application
multiplayer	I-Application
online	I-Application
game	I-Application
)	O
baseball	B-Application
game	O
published	O
by	O
Challenge	O
Games	O
.	O
</s>
<s>
Baseball	B-Protocol
Boss	I-Protocol
is	O
also	O
an	O
official	O
licensee	O
of	O
Major	B-Application
League	I-Application
Baseball	I-Application
Advanced	O
Media	O
.	O
</s>
<s>
The	O
game	O
combined	O
virtual	O
baseball	B-Application
card	O
collecting	O
and	O
fantasy	O
baseball	B-Application
simulation	O
through	O
head	O
to	O
head	O
completion	O
against	O
historical	O
teams	O
and	O
other	O
online	O
players	O
.	O
</s>
<s>
Players	O
were	O
given	O
cards	O
of	O
real	O
baseball	B-Application
players	I-Application
from	O
all	O
of	O
baseball	B-Application
's	O
ages	O
(	O
card	O
sets	O
range	O
from	O
1907	O
to	O
the	O
2009	O
MLB	O
All	O
Star	O
Game	O
)	O
to	O
create	O
teams	O
of	O
players	O
using	O
their	O
cards	O
.	O
</s>
<s>
Baseball	B-Protocol
Boss	I-Protocol
features	O
two	O
brands	O
of	O
cards	O
,	O
the	O
"	O
National	O
"	O
base	O
brand	O
and	O
the	O
"	O
Spire	O
"	O
premium	O
brand	O
.	O
</s>
<s>
In	O
addition	O
to	O
playing	O
against	O
other	O
online	O
users	O
,	O
Baseball	B-Protocol
Boss	I-Protocol
allowed	O
users	O
to	O
collect	O
entire	O
sets	O
or	O
a	O
group	O
of	O
their	O
favorite	O
cards	O
in	O
a	O
way	O
that	O
resembled	O
virtual	O
baseball	B-Application
card	O
collecting	O
,	O
using	O
"	O
Shoeboxes	O
"	O
.	O
</s>
<s>
Baseball	B-Protocol
Boss	I-Protocol
shut	O
down	O
operations	O
on	O
March	O
10	O
,	O
2010	O
when	O
the	O
sponsor	O
,	O
Challenge	O
Games	O
,	O
was	O
unable	O
to	O
license	O
certain	O
rights	O
from	O
Major	B-Application
League	I-Application
Baseball	I-Application
.	O
</s>
<s>
Virtual	O
baseball	B-Application
cards	O
were	O
a	O
central	O
part	O
of	O
the	O
Baseball	B-Protocol
Boss	I-Protocol
game	O
experience	O
.	O
</s>
<s>
A	O
player	O
's	O
virtual	O
baseball	B-Application
card	O
collection	O
was	O
used	O
to	O
build	O
their	O
team	O
's	O
rosters	O
.	O
</s>
<s>
Like	O
real	O
life	O
baseball	B-Application
players	I-Application
,	O
each	O
baseball	B-Application
player	O
card	O
has	O
ratings	O
and	O
abilities	O
that	O
affect	O
the	O
outcome	O
of	O
game	O
play	O
.	O
</s>
<s>
The	O
card	O
's	O
ratings	O
and	O
abilities	O
were	O
based	O
upon	O
historical	O
statistics	O
for	O
that	O
real	O
life	O
baseball	B-Application
player	O
in	O
a	O
given	O
year	O
.	O
</s>
<s>
Baseball	B-Protocol
Boss	I-Protocol
offered	O
two	O
brands	O
of	O
cards	O
,	O
Spire	O
and	O
National	O
.	O
</s>
<s>
A	O
team	O
's	O
roster	O
contained	O
up	O
to	O
25	O
players	O
and	O
is	O
built	O
from	O
an	O
owner	O
's	O
baseball	B-Application
card	O
collection	O
.	O
</s>
<s>
Challenge	O
Coins	O
could	O
be	O
purchased	O
with	O
real	O
money	O
or	O
exchanged	O
for	O
tickets	O
in	O
Baseball	B-Protocol
Boss	I-Protocol
in	O
the	O
game	O
's	O
currency	O
exchange	O
.	O
</s>
<s>
•	O
Tickets	O
-	O
Tickets	O
were	O
the	O
official	O
in-game	O
currency	O
of	O
Baseball	B-Protocol
Boss	I-Protocol
.	O
</s>
<s>
Challenge	O
Games	O
ceased	O
operations	O
with	O
Baseball	B-Protocol
Boss	I-Protocol
effective	O
March	O
10	O
,	O
2010	O
.	O
</s>
